---
title: defaultPrim
framework: usdkit
role: symbol
role_heading: Instance Property
path: usdkit/usdlayer/defaultprim
---

# defaultPrim

The name of the layer’s default prim — the prim referenced when this layer is included as a reference or payload without specifying a target. nil if not authored.

## Declaration

```swift
var defaultPrim: USDToken? { get nonmutating set }
```

## See Also

### Composing the scene

- [subLayerPaths](usdkit/usdlayer/sublayerpaths.md)
- [USDLayer.AssetPath](usdkit/usdlayer/assetpath.md)